/* ============================================================
   TheHandyStack — Global Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Variables ─────────────────────────────────────────── */
:root {
  --primary:    #7C3AED;
  --primary-dk: #6D28D9;
  --primary-lt: #EDE9FE;
  --accent:     #F59E0B;
  --success:    #10B981;
  --danger:     #EF4444;
  --text:       #1E293B;
  --text-muted: #64748B;
  --border:     #E2E8F0;
  --bg:         #FFFFFF;
  --surface:    #F8FAFC;
  --surface-2:  #F1F5F9;
  --tool-bg:    #1E293B;
  --tool-border:#2D3A4D;
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow:     0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.05);
  --shadow-lg:  0 10px 40px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.06);
  --radius-sm:  6px;
  --radius:     10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full:9999px;
  --font:       'Inter', system-ui, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', monospace;
  --nav-h:      64px;
  --transition: 0.18s ease;

  /* Category colours */
  --cat-text:   #3B82F6;
  --cat-image:  #10B981;
  --cat-pdf:    #EF4444;
  --cat-dev:    #8B5CF6;
  --cat-gen:    #F59E0B;
  --cat-conv:   #06B6D4;
  --cat-social: #EC4899;
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font: inherit; border: none; background: none; }
input, textarea, select { font: inherit; }
textarea { resize: vertical; }

/* ── Layout ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}
.container--narrow { max-width: 860px; }
.section { padding-block: 56px; }
.section--alt { background: var(--surface); }

/* ── Typography ─────────────────────────────────────────── */
h1,h2,h3,h4 { font-family: var(--font); line-height: 1.2; color: var(--text); }
.eyebrow {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--primary); margin-bottom: 10px;
}
.grad-text {
  background: linear-gradient(135deg, var(--primary) 0%, #EC4899 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: var(--radius-full);
  font-weight: 600; font-size: 0.9rem;
  transition: all var(--transition); white-space: nowrap; border: 2px solid transparent;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dk); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(124,58,237,0.3); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-lg { padding: 13px 30px; font-size: 1rem; }
.btn-sm { padding: 7px 14px; font-size: 0.8rem; }

/* ── Nav ─────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h); background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: var(--shadow-sm); }
.nav__inner { display: flex; align-items: center; gap: 16px; height: 100%; }
.nav__logo {
  font-size: 1.15rem; font-weight: 800; color: var(--text); white-space: nowrap;
  display: flex; align-items: center; gap: 8px;
}
.nav__logo-icon {
  width: 32px; height: 32px; border-radius: var(--radius-sm);
  background: var(--primary); display: grid; place-items: center;
  color: #fff; font-size: 1rem;
}
.nav__links { display: flex; align-items: center; gap: 2px; flex: 1; }
.nav__links a {
  padding: 6px 12px; border-radius: var(--radius-full);
  font-size: 0.86rem; font-weight: 500; color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
}
.nav__links a:hover, .nav__links a.active { color: var(--text); background: var(--surface-2); }
.nav__actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav__hamburger { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.nav__hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.2s; }
.nav__hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

.nav__mobile {
  display: none; position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: var(--bg); border-bottom: 1px solid var(--border);
  padding: 16px 1.5rem; flex-direction: column; gap: 4px;
  box-shadow: var(--shadow);
}
.nav__mobile.open { display: flex; }
.nav__mobile a {
  padding: 10px 14px; border-radius: var(--radius);
  font-weight: 500; font-size: 0.95rem; color: var(--text-muted);
  transition: background var(--transition);
}
.nav__mobile a:hover { background: var(--surface-2); color: var(--text); }

/* ── Breadcrumb ─────────────────────────────────────────── */
.breadcrumb {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  font-size: 0.8rem; color: var(--text-muted); margin-bottom: 24px;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb__sep { opacity: 0.4; }

/* ── Hero (homepage) ────────────────────────────────────── */
.hero {
  padding: 72px 0 60px;
  background: linear-gradient(160deg, #F5F3FF 0%, #FDF4FF 40%, #FFFFFF 100%);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary-lt); color: var(--primary);
  padding: 6px 16px; border-radius: var(--radius-full);
  font-size: 0.78rem; font-weight: 600; margin-bottom: 20px;
}
.hero__title { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; margin-bottom: 16px; }
.hero__subtitle { font-size: 1.05rem; color: var(--text-muted); max-width: 520px; margin: 0 auto 32px; }
.hero__cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero__stats {
  display: flex; justify-content: center; gap: 40px; margin-top: 48px;
  flex-wrap: wrap;
}
.hero__stat-num { font-size: 1.8rem; font-weight: 800; color: var(--primary); display: block; }
.hero__stat-label { font-size: 0.82rem; color: var(--text-muted); }

/* ── Category cards ─────────────────────────────────────── */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
}
.cat-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px 20px; text-align: center; transition: all var(--transition);
  cursor: pointer; display: block;
}
.cat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: transparent; }
.cat-card__icon {
  width: 52px; height: 52px; border-radius: var(--radius);
  display: grid; place-items: center; margin: 0 auto 12px; font-size: 1.5rem;
}
.cat-card__name { font-weight: 700; font-size: 0.9rem; margin-bottom: 4px; }
.cat-card__count { font-size: 0.75rem; color: var(--text-muted); }

/* Category icon colours */
.cat-card--text .cat-card__icon    { background: rgba(59,130,246,0.1);  color: var(--cat-text);   }
.cat-card--image .cat-card__icon   { background: rgba(16,185,129,0.1);  color: var(--cat-image);  }
.cat-card--pdf .cat-card__icon     { background: rgba(239,68,68,0.1);   color: var(--cat-pdf);    }
.cat-card--dev .cat-card__icon     { background: rgba(139,92,246,0.1);  color: var(--cat-dev);    }
.cat-card--gen .cat-card__icon     { background: rgba(245,158,11,0.1);  color: var(--cat-gen);    }
.cat-card--conv .cat-card__icon    { background: rgba(6,182,212,0.1);   color: var(--cat-conv);   }
.cat-card--social .cat-card__icon  { background: rgba(236,72,153,0.1);  color: var(--cat-social); }

/* ── Tool cards (grid) ──────────────────────────────────── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.tool-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 20px 18px; transition: all var(--transition); display: block;
}
.tool-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: transparent; }
.tool-card__icon { display: block; font-size: 1.5rem; margin-bottom: 10px; }
.tool-card__name { display: block; font-weight: 700; font-size: 0.9rem; margin-bottom: 5px; }
.tool-card__desc { display: block; font-size: 0.78rem; color: var(--text-muted); line-height: 1.5; }
.tool-card__badge {
  display: inline-block; padding: 2px 8px; border-radius: var(--radius-full);
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
  margin-top: 10px;
}

/* ── Tool page layout ───────────────────────────────────── */
.tool-page { padding: 36px 0 64px; }
.tool-page__header { margin-bottom: 28px; }
.tool-page__tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: var(--radius-full);
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.tool-page h1 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 10px; }
.tool-page__desc { font-size: 1rem; color: var(--text-muted); max-width: 620px; }
.tool-page__privacy {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.75rem; color: var(--success); margin-top: 8px; font-weight: 500;
}

/* ── Tool box ────────────────────────────────────────────── */
.tool-box {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-xl);
  overflow: hidden; box-shadow: var(--shadow); margin-bottom: 48px;
}
.tool-box__inner { padding: 24px; }
.tool-box__split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
}
.tool-box__split > * + * { border-left: 1px solid var(--border); }
.tool-box__half { padding: 24px; }
.tool-box__label {
  display: block; font-size: 0.75rem; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 8px;
}

/* ── Tool inputs ─────────────────────────────────────────── */
.tool-textarea {
  width: 100%; min-height: 200px; padding: 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); font-family: var(--font-mono);
  font-size: 0.88rem; color: var(--text); line-height: 1.65;
  transition: border-color var(--transition);
}
.tool-textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(124,58,237,0.1); }
.tool-textarea--output {
  background: var(--tool-bg); color: #E2E8F0; border-color: var(--tool-border);
  font-family: var(--font-mono);
}
.tool-textarea--output:focus { border-color: #4A5568; box-shadow: 0 0 0 3px rgba(74,85,104,0.2); }

.tool-input {
  width: 100%; padding: 10px 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 0.9rem; color: var(--text);
  transition: border-color var(--transition);
}
.tool-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(124,58,237,0.1); }

.tool-select {
  padding: 8px 12px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 0.86rem; color: var(--text); cursor: pointer;
}
.tool-select:focus { outline: none; border-color: var(--primary); }

/* ── Tool buttons ────────────────────────────────────────── */
.tool-actions {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 14px;
}
.tool-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 18px; border-radius: var(--radius-full);
  font-weight: 600; font-size: 0.86rem; transition: all var(--transition);
  border: 2px solid transparent;
}
.tool-btn--primary { background: var(--primary); color: #fff; }
.tool-btn--primary:hover { background: var(--primary-dk); box-shadow: 0 4px 14px rgba(124,58,237,0.3); }
.tool-btn--secondary { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.tool-btn--secondary:hover { background: var(--border); }
.tool-btn--danger { background: rgba(239,68,68,0.08); color: var(--danger); border-color: rgba(239,68,68,0.2); }
.tool-btn--danger:hover { background: var(--danger); color: #fff; }
.tool-btn--success { background: rgba(16,185,129,0.08); color: var(--success); border-color: rgba(16,185,129,0.2); }
.tool-btn--success.copied { background: var(--success); color: #fff; }

/* ── Tool stats ──────────────────────────────────────────── */
.tool-stats {
  display: flex; flex-wrap: wrap; gap: 8px; padding: 14px 24px;
  border-top: 1px solid var(--border); background: var(--surface);
}
.tool-stat {
  display: flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: var(--radius-full);
  background: var(--bg); border: 1px solid var(--border);
  font-size: 0.78rem;
}
.tool-stat__value { font-weight: 700; color: var(--primary); }
.tool-stat__label { color: var(--text-muted); }

/* ── Tool options ────────────────────────────────────────── */
.tool-options {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  margin-bottom: 16px;
}
.tool-option { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; cursor: pointer; }
.tool-option input[type="checkbox"] { accent-color: var(--primary); width: 15px; height: 15px; }

/* ── Tool output / result ────────────────────────────────── */
.tool-result {
  margin-top: 16px; padding: 16px; border-radius: var(--radius);
  background: var(--tool-bg); border: 1px solid var(--tool-border);
  font-family: var(--font-mono); font-size: 0.88rem; color: #E2E8F0;
  min-height: 60px; word-break: break-all; white-space: pre-wrap; line-height: 1.65;
}
.tool-result--light { background: var(--surface); border-color: var(--border); color: var(--text); }

.tool-file-input {
  width: 100%; padding: 32px; border: 2px dashed var(--border);
  border-radius: var(--radius-lg); text-align: center; cursor: pointer;
  transition: all var(--transition); background: var(--surface);
}
.tool-file-input:hover { border-color: var(--primary); background: var(--primary-lt); }
.tool-file-input input { display: none; }
.tool-file-input__text { font-size: 0.9rem; color: var(--text-muted); margin-top: 8px; }
.tool-file-input__icon { font-size: 2rem; }

/* ── Color preview ───────────────────────────────────────── */
.color-preview { width: 48px; height: 48px; border-radius: var(--radius); border: 1px solid var(--border); }

/* ── Range slider ────────────────────────────────────────── */
.tool-range { width: 100%; accent-color: var(--primary); }
.tool-range-row { display: flex; align-items: center; gap: 12px; }
.tool-range-val {
  min-width: 40px; text-align: center; font-weight: 700; font-size: 0.9rem;
  background: var(--primary-lt); color: var(--primary); border-radius: var(--radius-sm);
  padding: 2px 6px;
}

/* ── Docs sections ───────────────────────────────────────── */
.docs-section { margin-bottom: 40px; }
.docs-section h2 {
  font-size: 1.3rem; font-weight: 800; margin-bottom: 16px;
  padding-bottom: 10px; border-bottom: 2px solid var(--border);
}
.docs-section h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; margin-top: 20px; }
.docs-section p { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 12px; line-height: 1.7; }
.docs-section ul, .docs-section ol { padding-left: 20px; margin-bottom: 12px; }
.docs-section li { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 6px; }
.docs-section ul { list-style: disc; }
.docs-section ol { list-style: decimal; }
.docs-section code {
  font-family: var(--font-mono); font-size: 0.85em;
  background: var(--surface-2); padding: 2px 6px; border-radius: 4px;
  color: var(--primary);
}

/* ── FAQ ─────────────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden;
}
.faq-item summary {
  padding: 16px 18px; font-weight: 600; font-size: 0.92rem;
  cursor: pointer; list-style: none; display: flex;
  justify-content: space-between; align-items: center;
  transition: background var(--transition);
}
.faq-item summary:hover { background: var(--surface); }
.faq-item summary::after { content: '+'; font-size: 1.2rem; color: var(--primary); }
.faq-item[open] summary::after { content: '−'; }
.faq-item__body { padding: 0 18px 16px; font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

/* ── Related tools ───────────────────────────────────────── */
.related-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
}
.related-grid a {
  display: block; padding: 12px 14px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 0.82rem; font-weight: 500;
  color: var(--text-muted); transition: all var(--transition);
}
.related-grid a:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-lt); }

/* ── Disclaimer banner ───────────────────────────────────── */
.disclaimer {
  background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.25);
  border-radius: var(--radius); padding: 14px 18px; margin-bottom: 20px;
  font-size: 0.84rem; color: #92400E; line-height: 1.6;
}
.disclaimer strong { color: #78350F; }

/* ── Category page hero ──────────────────────────────────── */
.cat-hero {
  padding: 48px 0 40px;
  border-bottom: 1px solid var(--border);
}
.cat-hero__icon {
  width: 64px; height: 64px; border-radius: var(--radius-lg);
  display: grid; place-items: center; font-size: 1.8rem; margin-bottom: 16px;
}
.cat-hero h1 { font-size: clamp(1.6rem, 3vw, 2rem); font-weight: 800; margin-bottom: 10px; }
.cat-hero__desc { font-size: 1rem; color: var(--text-muted); max-width: 520px; }

/* ── All-tools page ──────────────────────────────────────── */
.all-tools-section { margin-bottom: 40px; }
.all-tools-section h2 {
  font-size: 1.1rem; font-weight: 800; margin-bottom: 14px;
  display: flex; align-items: center; gap: 10px;
}
.all-tools-section h2 .badge {
  font-size: 0.7rem; background: var(--surface-2); color: var(--text-muted);
  padding: 2px 8px; border-radius: var(--radius-full);
}
.all-tools-list { display: flex; flex-direction: column; gap: 3px; }
.all-tools-list a {
  padding: 9px 14px; border-radius: var(--radius); font-size: 0.88rem;
  font-weight: 500; color: var(--text-muted); display: flex; align-items: center; gap: 10px;
  transition: all var(--transition);
}
.all-tools-list a:hover { background: var(--surface); color: var(--text); }
.all-tools-list a span.icon { font-size: 1rem; width: 20px; text-align: center; }

/* ── "Why" section cards ─────────────────────────────────── */
.why-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.why-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px 24px;
}
.why-card__icon {
  width: 48px; height: 48px; background: var(--primary-lt);
  border-radius: var(--radius); display: grid; place-items: center;
  font-size: 1.4rem; margin-bottom: 16px;
}
.why-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.why-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--text); color: #94A3B8; padding: 52px 0 24px;
  font-size: 0.86rem;
}
.footer__inner {
  display: grid;
  grid-template-columns: 200px repeat(auto-fit, minmax(110px, 1fr));
  gap: 32px; margin-bottom: 40px;
}
.footer__brand { grid-column: 1; }
.footer__logo {
  font-size: 1.1rem; font-weight: 800; color: #fff;
  display: flex; align-items: center; gap: 8px; margin-bottom: 10px;
}
.footer__logo-icon {
  width: 28px; height: 28px; border-radius: 6px;
  background: var(--primary); display: grid; place-items: center;
  color: #fff; font-size: 0.9rem;
}
.footer__tagline { font-size: 0.82rem; line-height: 1.6; }
.footer__col-title { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: #fff; margin-bottom: 12px; }
.footer__links { display: flex; flex-direction: column; gap: 8px; }
.footer__links a { color: #94A3B8; transition: color var(--transition); }
.footer__links a:hover { color: #fff; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px; display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 8px; font-size: 0.8rem;
}

/* ── Toast notification ──────────────────────────────────── */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 200;
  background: #1E293B; color: #fff; padding: 12px 20px;
  border-radius: var(--radius); font-size: 0.88rem; font-weight: 500;
  box-shadow: var(--shadow-lg); transform: translateY(100px); opacity: 0;
  transition: all 0.3s ease; pointer-events: none;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ── Tabs ────────────────────────────────────────────────── */
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--border); margin-bottom: 20px; }
.tab-btn {
  padding: 9px 18px; border-radius: var(--radius-full) var(--radius-full) 0 0;
  font-weight: 600; font-size: 0.86rem; color: var(--text-muted);
  transition: all var(--transition); border-bottom: 2px solid transparent; margin-bottom: -2px;
}
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-btn:hover { color: var(--text); background: var(--surface); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Error / Success alerts ──────────────────────────────── */
.alert { padding: 12px 16px; border-radius: var(--radius); font-size: 0.88rem; margin-bottom: 12px; }
.alert--error { background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2); color: #991B1B; }
.alert--success { background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.2); color: #065F46; }

/* ── Tool grid alias ─────────────────────────────────────── */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

/* ── Tool hero (individual tool page header) ─────────────── */
.tool-hero { padding: 36px 0 28px; border-bottom: 1px solid var(--border); margin-bottom: 0; }
.tool-hero h1 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin: 10px 0 8px; }
.tool-desc { font-size: 1rem; color: var(--text-muted); max-width: 640px; line-height: 1.65; }

/* Hero small variant (category pages) */
.hero--sm { padding: 48px 0 40px; background: linear-gradient(160deg,#F5F3FF 0%,#FDF4FF 40%,#fff 100%); border-bottom:1px solid var(--border); text-align:center; }
.hero--sm .hero__title { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; margin: 8px 0 12px; }
.hero--sm .hero__subtitle { font-size: 1rem; color: var(--text-muted); max-width: 520px; margin: 0 auto; }
.hero--text  { background: linear-gradient(160deg,#EFF6FF 0%,#F0F9FF 50%,#fff 100%); }
.hero--image { background: linear-gradient(160deg,#ECFDF5 0%,#F0FDF4 50%,#fff 100%); }
.hero--pdf   { background: linear-gradient(160deg,#FEF2F2 0%,#FFF5F5 50%,#fff 100%); }
.hero--dev   { background: linear-gradient(160deg,#F5F3FF 0%,#FAF5FF 50%,#fff 100%); }
.hero--gen   { background: linear-gradient(160deg,#FFFBEB 0%,#FEFCE8 50%,#fff 100%); }
.hero--conv  { background: linear-gradient(160deg,#ECFEFF 0%,#F0FDFE 50%,#fff 100%); }
.hero--social{ background: linear-gradient(160deg,#FDF2F8 0%,#FFF0F8 50%,#fff 100%); }

/* ── Category badge ──────────────────────────────────────── */
.cat-badge {
  display: inline-flex; align-items: center;
  padding: 4px 12px; border-radius: var(--radius-full);
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.07em; margin-bottom: 8px;
}
.cat-badge--text   { background: rgba(59,130,246,0.1);  color: var(--cat-text); }
.cat-badge--image  { background: rgba(16,185,129,0.1);  color: var(--cat-image); }
.cat-badge--pdf    { background: rgba(239,68,68,0.1);   color: var(--cat-pdf); }
.cat-badge--dev    { background: rgba(139,92,246,0.1);  color: var(--cat-dev); }
.cat-badge--gen    { background: rgba(245,158,11,0.1);  color: var(--cat-gen); }
.cat-badge--conv   { background: rgba(6,182,212,0.1);   color: var(--cat-conv); }
.cat-badge--social { background: rgba(236,72,153,0.1);  color: var(--cat-social); }

/* ── Tool label ──────────────────────────────────────────── */
.tool-label {
  display: block; font-size: 0.75rem; font-weight: 600;
  color: var(--text-muted); text-transform: uppercase;
  letter-spacing: 0.07em; margin-bottom: 8px; padding: 16px 16px 0;
}

/* ── Tool box padding fix ────────────────────────────────── */
.tool-box { padding: 24px; }
.tool-box .tool-textarea { margin-bottom: 0; }
.tool-box .tool-box__split { margin: 0 -24px; padding: 0; }
.tool-box .tool-box__split > div { padding: 16px 24px; }
.tool-box .tool-stats { margin: 0 -24px; padding: 12px 24px; }
.tool-box .tool-actions { margin-top: 16px; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer__inner { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  .nav__links, .nav__actions .btn { display: none; }
  .nav__hamburger { display: flex; }
  .section { padding-block: 40px; }
  .tool-box__split { grid-template-columns: 1fr; }
  .tool-box__split > * + * { border-left: none; border-top: 1px solid var(--border); }
  .hero { padding: 48px 0 40px; }
  .hero__stats { gap: 24px; }
  .category-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
}
@media (max-width: 480px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .tool-actions { flex-direction: column; align-items: stretch; }
  .tool-actions .tool-btn { justify-content: center; }
}

/* ═══════════════════════════════════════════════════════════
   SIDEBAR
   ═══════════════════════════════════════════════════════════ */
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0; width: 272px;
  z-index: 310; background: var(--bg); border-right: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  transform: translateX(-100%);
  transition: transform 0.26s cubic-bezier(.4,0,.2,1);
  display: flex; flex-direction: column;
  scrollbar-width: thin; scrollbar-color: var(--border) transparent;
}
.sidebar.is-open { transform: translateX(0); }

.sidebar__head {
  position: sticky; top: 0; z-index: 1; background: var(--bg);
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.sidebar__head-logo { font-weight: 800; font-size: 0.92rem; color: var(--primary); }
.sidebar__close {
  width: 30px; height: 30px; border-radius: var(--radius);
  background: var(--surface-2); color: var(--text-muted);
  display: grid; place-items: center; font-size: 1rem;
  transition: all var(--transition);
}
.sidebar__close:hover { background: var(--border); color: var(--text); }

.sidebar__scroll { flex: 1; overflow-y: auto; padding: 8px 0 16px; }

.sidebar__cat-hd {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 18px 5px; font-size: 0.67rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted);
  margin-top: 8px;
}
.sidebar__cat-hd:first-child { margin-top: 0; }
.sidebar__cat-hd .cat-ico { font-size: 0.9rem; }

.sidebar__links { padding: 0 8px; }
.sidebar__links a {
  display: block; padding: 6px 12px; border-radius: var(--radius);
  font-size: 0.83rem; color: var(--text-muted);
  transition: all var(--transition);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sidebar__links a:hover { background: var(--surface-2); color: var(--text); }
.sidebar__links a.is-active { background: var(--primary-lt); color: var(--primary); font-weight: 600; }

.sidebar__ft {
  flex-shrink: 0; padding: 12px 18px;
  border-top: 1px solid var(--border);
  font-size: 0.74rem; color: var(--text-muted);
}
.sidebar__ft a { color: var(--primary); font-weight: 600; }

.sidebar-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(15,23,42,.45);
  opacity: 0; pointer-events: none;
  transition: opacity 0.26s;
}
.sidebar-overlay.is-visible { opacity: 1; pointer-events: all; }

.nav__sb-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: var(--radius-full);
  font-size: 0.83rem; font-weight: 600;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-muted); transition: all var(--transition);
}
.nav__sb-btn:hover { background: var(--primary-lt); color: var(--primary); border-color: var(--primary); }

/* ═══════════════════════════════════════════════════════════
   CONTACT FAB + MODAL
   ═══════════════════════════════════════════════════════════ */
.contact-fab {
  position: fixed; bottom: 20px; left: 20px; z-index: 260;
}
.contact-fab__btn {
  display: flex; align-items: center; gap: 7px;
  padding: 9px 16px; border-radius: var(--radius-full);
  background: var(--primary); color: #fff;
  font-size: 0.8rem; font-weight: 700;
  box-shadow: 0 4px 18px rgba(124,58,237,.38);
  transition: all var(--transition);
}
.contact-fab__btn:hover { background: var(--primary-dk); transform: translateY(-2px); }

.ths-backdrop {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(15,23,42,.52); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.ths-backdrop.is-open { opacity: 1; pointer-events: all; }

.ths-modal {
  background: var(--bg); border-radius: var(--radius-xl);
  width: 100%; max-width: 440px; box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(.97); transition: transform .2s;
}
.ths-backdrop.is-open .ths-modal { transform: translateY(0) scale(1); }

.ths-modal__head {
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 22px 22px 0;
}
.ths-modal__head h3 { font-size: 1.05rem; font-weight: 800; margin-top: 2px; }
.ths-modal__emoji { font-size: 1.5rem; display: block; margin-bottom: 3px; }
.ths-modal__close {
  width: 30px; height: 30px; border-radius: var(--radius);
  background: var(--surface-2); color: var(--text-muted);
  display: grid; place-items: center; font-size: 1.1rem; flex-shrink: 0;
  transition: all var(--transition);
}
.ths-modal__close:hover { background: var(--border); color: var(--text); }

.ths-modal__body { padding: 12px 22px 22px; }
.ths-modal__sub { font-size: 0.83rem; color: var(--text-muted); margin-bottom: 14px; line-height: 1.6; }

.ths-opts { display: flex; flex-direction: column; gap: 8px; }
.ths-opt {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 15px; border-radius: var(--radius-lg);
  border: 1.5px solid var(--border); text-decoration: none;
  transition: all var(--transition);
}
.ths-opt:hover { border-color: var(--primary); background: var(--primary-lt); }
.ths-opt__ico { font-size: 1.3rem; flex-shrink: 0; }
.ths-opt__lbl { font-weight: 600; font-size: 0.86rem; color: var(--text); display: block; }
.ths-opt__desc { font-size: 0.74rem; color: var(--text-muted); margin-top: 1px; display: block; }

/* ═══════════════════════════════════════════════════════════
   HOMEPAGE — How strip & Suggest band
   ═══════════════════════════════════════════════════════════ */
.how-strip {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border); border-radius: var(--radius-xl);
  overflow: hidden; background: var(--bg); box-shadow: var(--shadow-sm);
}
.how-step { padding: 28px 26px; }
.how-step + .how-step { border-left: 1px solid var(--border); }
.how-step__num {
  font-size: 2.2rem; font-weight: 800; line-height: 1;
  color: var(--primary-lt); margin-bottom: 12px;
}
.how-step__icon { font-size: 1.5rem; display: block; margin-bottom: 10px; }
.how-step h3 { font-size: 0.96rem; font-weight: 700; margin-bottom: 6px; }
.how-step p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.65; }

.suggest-band {
  background: linear-gradient(135deg, var(--primary) 0%, #EC4899 100%);
  border-radius: var(--radius-xl); padding: 52px 40px; text-align: center; color: #fff;
}
.suggest-band h2 { font-size: 1.7rem; font-weight: 800; margin-bottom: 12px; color: #fff; }
.suggest-band p { font-size: 0.95rem; opacity: .85; max-width: 480px; margin: 0 auto 28px; line-height: 1.65; }
.suggest-btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.suggest-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius-full);
  font-weight: 700; font-size: 0.88rem; cursor: pointer;
  text-decoration: none; transition: all var(--transition); border: none;
}
.suggest-btn--white { background: #fff; color: var(--primary); }
.suggest-btn--white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.15); }
.suggest-btn--ghost { background: rgba(255,255,255,.15); color: #fff; border: 1.5px solid rgba(255,255,255,.4); }
.suggest-btn--ghost:hover { background: rgba(255,255,255,.25); }

@media (max-width: 640px) {
  .sidebar { width: 260px; }
  .how-strip { grid-template-columns: 1fr; }
  .how-step + .how-step { border-left: none; border-top: 1px solid var(--border); }
  .suggest-band { padding: 36px 24px; }
  .suggest-band h2 { font-size: 1.35rem; }
}